<template>
  <div class="dialog" v-show="visible">
    <div class="dialog-wrap">
      <div class="dialog-header">
        <slot name="header"></slot>
        <button class="dialog-header-close" @click="$emit('update:visible',false)">X</button>
      </div>
      <div class="dialog-body">
        <slot></slot>
      </div>
      <div class="dialog-footer">
        <slot name="footer"></slot>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Dialog',
  props: {
    visible: {
      type: Boolean, // 类型是boolean类型
      required:true // 必须要传
    }
  }
}
</script>

<style lang="less" scoped>
.dialog {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,.3);
  .dialog-wrap {
    padding:12px;
    width: 28%;
    height: 220px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    .dialog-header {
      display: flex;
      justify-content: space-between;
      font-size: 16px;
      .dialog-header-close {
        border:none;
        outline: none;
        cursor: pointer;
      }
    }
    .dialog-body {
      height: 120px;
      line-height: 120px;
      text-align: center;
      font-size: 18px;
    }
  }
}
</style>